“Transmembrane Voltage Potential Is an Essential Cellular Parameter for the Detection and Control of Tumor Development in a Xenopus Model,” by Brook Chernet and Michael Levin of Tufts University, Disease Models & Mechanisms, posted online February 1, 2013:“These data implicate bioelectric signaling in the induction of tumors by oncogenes, revealing a new layer of regulation in cancer biology.” (Open access)